code: def build_model(self, embeddings, label_dict, **kwargs):
      # no need for label_dict
      return self.model_cls(embeddings, self.train_label_type)
  
file_path: flair/tests/models/test_text_regressor.py
imports: import pytest
  import flair
  from flair.embeddings import DocumentRNNEmbeddings, WordEmbeddings
  from flair.models.text_regression_model import TextRegressor
  from tests.model_test_utils import BaseModelTest
label_desc: Use image node_id 1 for calling the TestTextRegressor obj's underlying member method code with example usage: obj.build_model(embeddings, label_dict) and returns: self